--===============1126494062541631048==
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Bob, my car came with a walbro installed (and a spare). The ethonal in the
fuel dissolved the rubber diaphragm- first on one then on the other. I
bought rebuild kits, but they didn't last.
I called Walbro, and they asked 'what the heck are you using these on'?
When I told him a road vehicle, he said give it up. Diesel boats are where
their using them now.
I asked whether they would have a diaphragm that would work with ethanol,
and they said no plans to do it.
On Sun, Jun 13, 2021, 1:07 PM Bob Spidell <bspidell@comcast.net> wrote:
> I have a pump by Walbro I bought years ago and never used. It's the
> approximate size and shape of an SU and, apparently, it uses points (but
> may be solid state). Anyone tried these? Came across this:
>
> https://walbrofuelpumps.com/why-fuel-pumps-fail
>
> ps. Why are we discussing this? According to some, SU pumps never fail and
> last forever (I'm just an unlucky SOB ;).
>
> bs
>
>
> On 6/13/2021 9:33 AM, Michael Salter via Healeys wrote:
>
> Interestingly enough Michael, AHX12 (in which you have competed for many
> hours) runs 2 "cube" type pumps and they have proven to be totally
> reliable.
> I wonder if some of the problems that have been reported may be
> attributable to incorrect installation.
> As I recall the instructions provided with these pumps clearly indicate
> that they MUST be installed at an angle of around 45 degrees on a vertical
> surface with the outlet above the inlet.
> I have seen many installed incorrectly.
>
> M
>
>
> On Sat., Jun. 12, 2021, 9:32 a.m. Michael Oritt via Healeys, <
> healeys@autox.team.net> wrote:
>
>> Jim--
>>
>> I use a double-headed SU pump on my 100 because of the redundancy it
>> offers. However, were I fitting an aftermarket pump to it I would use a
>> Carter 4570, which I use on both of my race cars that have
>> Weber DCOE's and thus require low fuel pressure (2-4 psi) as do the SU's on
>> my Healey. I am NOT a fan of the FACET cube pumps (relabelled by NAPA and
>> many other sellers). The Carter has never let me down, this under racing
>> conditions, etc.
>>
>> Best--Michael Oritt
>>
>> On Sat, Jun 12, 2021 at 8:43 AM Jim Werner via Healeys <
>> healeys@autox.team.net> wrote:
>>
>>> Does anyone have the part number for the NAPA fuel pump that is low
>>> pressure and suitable for use on Healeys?
>>>
>>> Jim Werner
>>> Louisville, KY
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>>
>>
>>
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--000000000000fbbd6805c4aeb1c9
Content-Transfer-Encoding: quoted-printable
<div dir=3D"auto">Bob, my car came with a walbro installed (and a spare). T=
he ethonal in the fuel dissolved the rubber diaphragm- first on one then on=
the other. I bought rebuild kits, but they didn't last.=C2=A0<div dir=
=3D"auto"><br></div><div dir=3D"auto">I called Walbro, and they asked '=
what the heck are you using these on'? When I told him a road vehicle, =
he said give it up. Diesel boats are where their using them now.</div><div =
dir=3D"auto"><br></div><div dir=3D"auto">I asked whether they would have a =
diaphragm that would work with ethanol, and they said no plans to do it.</d=
iv></div><br><div class=3D"gmail_quote"><div dir=3D"ltr" class=3D"gmail_att=
r">On Sun, Jun 13, 2021, 1:07 PM Bob Spidell <<a href=3D"mailto:bspidell=
@comcast.net">bspidell@comcast.net</a>> wrote:<br></div><blockquote clas=
s=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;pad=
ding-left:1ex">
=20
=20
=20
<div>
I have a pump by Walbro I bought years ago and never used. It's the
approximate size and shape of an SU and, apparently, it uses points
(but may be solid state). Anyone tried these? Came across this:<br>
<br>
<a href=3D"https://walbrofuelpumps.com/why-fuel-pumps-fail"; target=3D"_=
blank" rel=3D"noreferrer">https://walbrofuelpumps.com/why-fuel-pumps-fail</=
a><br>
<br>
ps. Why are we discussing this? According to some, SU pumps never
fail and last forever (I'm just an unlucky SOB ;).<br>
<br>
bs<br>
<br>
<br>
<div>On 6/13/2021 9:33 AM, Michael Salter
via Healeys wrote:<br>
</div>
<blockquote type=3D"cite">
=20
<div dir=3D"auto">
<div>Interestingly=C2=A0enough Michael, AHX12 (in which you have
competed for many hours) runs 2 "cube" type pumps and t=
hey
have proven to be totally reliable.
<div dir=3D"auto">I wonder if some of the problems that have
been reported may be attributable to incorrect
installation.=C2=A0</div>
<div dir=3D"auto">As I recall the instructions provided with
these pumps clearly indicate that they MUST be installed at
an angle of around 45 degrees on a vertical surface with the
outlet above the inlet.</div>
<div dir=3D"auto">I have seen many installed incorrectly.</div>
<div dir=3D"auto"><br>
</div>
<div dir=3D"auto">M</div>
<br>
<br>
<div class=3D"gmail_quote">
<div dir=3D"ltr" class=3D"gmail_attr">On Sat., Jun. 12, 2021,
9:32 a.m. Michael Oritt via Healeys, <<a href=3D"mailto:he=
aleys@autox.team.net" target=3D"_blank" rel=3D"noreferrer">healeys@autox.te=
am.net</a>>
wrote:<br>
</div>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;bo=
rder-left:1px #ccc solid;padding-left:1ex">
<div dir=3D"ltr">
<div class=3D"gmail_default" style=3D"color:#3333ff">Jim--<=
/div>
<div class=3D"gmail_default" style=3D"color:#3333ff"><br>
</div>
<div class=3D"gmail_default" style=3D"color:#3333ff">I use =
a
double-headed SU pump on my 100 because of the
redundancy it offers.=C2=A0 However, were=C2=A0I fitting =
an
aftermarket pump to it I would use a Carter 4570,
which I use on both of my race cars that have
Weber=C2=A0DCOE's=C2=A0and=C2=A0thus require low fuel=
pressure (2-4
psi) as do the SU's on my Healey.=C2=A0 =C2=A0I am NO=
T a fan of
the FACET cube pumps (relabelled by NAPA and many
other sellers).=C2=A0 The Carter has never let me down,
this under racing conditions, etc.</div>
<div class=3D"gmail_default" style=3D"color:#3333ff"><br>
</div>
<div class=3D"gmail_default" style=3D"color:#3333ff">Best--=
Michael
Oritt=C2=A0</div>
</div>
<br>
<div class=3D"gmail_quote">
<div dir=3D"ltr" class=3D"gmail_attr">On Sat, Jun 12, 2021
at 8:43 AM Jim Werner via Healeys <<a href=3D"mailto:h=
ealeys@autox.team.net" rel=3D"noreferrer noreferrer" target=3D"_blank">heal=
eys@autox.team.net</a>>
wrote:<br>
</div>
<blockquote class=3D"gmail_quote" style=3D"margin:0px 0px 0=
px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
<div>Does anyone have the part number for the NAPA
fuel pump that is low pressure and suitable for use
on Healeys?<br>
<br>
<div style=3D"clear:both">
<div style=3D"font:10pt Arial,Helvetica,sans-serif"><=
span style=3D"font-weight:bold">Jim Werner</span>
<div>Louisville, KY</div>
</div>
</div>
</div>
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</blockquote>
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